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Headlight High Beam issue

  #1  
Old 12-15-2011, 07:19 PM
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Default Headlight High Beam issue

Hi, I have a 2k1 cbr600 f4i
Recently I replaced the entire front wiring harness as the previous owner had turned it into a spliced mess. This fixed my initial headlight issue.
However now whenever I turn the high beams on the 10A fuse blows and the indicator for high beams doesn show either. I put in a 15A to see if it'd be ok. When I turn on the high beams now, the indicator comes on showing that the high beams are on, but the actual light doesnt turn on.

I didn't replace the headlight relay, just installed the old one to the new harness, could that be a possibility? I checked the bulb for the high beam and it looks fine, though the connecting forks are a bit burned and corroded from the old harness' issues.

Any ideas?
 
  #2  
Old 12-15-2011, 08:53 PM
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revisit waht you did electrically. I think you may have gotten a couple wires mixed
 
  #3  
Old 12-16-2011, 12:42 AM
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Use a multimeter to see if the plug that connects to the bulb is supplying a normal 12V. If it is, then you need a new bulb. If not, then it's something else, perhaps a relay or a mismatched wire.
 
  #4  
Old 12-16-2011, 12:59 AM
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If u instantly blow a ten amp fuse with the switch u got a short somewhere. If u get a 15amp to last, it's not necessarily a straight short, but you propably have the wires mixed and are feeding power somewhere u shouldn't. If it's a bad connection you'll propably fry a wire, or worse: if you got mixed wires, the device it's connected to, but shouldn't.

I'm an electrician, and the second rule of thumb that was taught to me at school was NEVER put a bigger fuse in and see if it lasts. That's the definitive way to ensure damage happening.

I would strongly recommend to refrain from switching the hi beams on until you figure out what's wrong.
 
  #5  
Old 12-16-2011, 05:53 PM
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I had this same problem for the longest. I ripped all the tape off checked all my wiring to see if the were any exposed and in the end the previous owner didn't have the original relay on there check that.
 
  #6  
Old 12-16-2011, 05:55 PM
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I literally just got my whole new headlight harness in the mail (used but never tamperd with) and plugged it in everything works I was stumped for a week on it to lol.
 
  #7  
Old 12-20-2011, 05:25 PM
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Yeah that is what confuses me. The entire harness is brand new, so it's all factory wiring. I haven't tampered with it in any way. Just plugged the stock plugs in to the right sockets. No exposed wire anywhere, unless the problem is further upstream... ?
 
  #8  
Old 12-21-2011, 07:24 AM
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usually its the plug for the regulator that gets corroded and then melts. I usually hard wire/ solder this connection
 
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